Post-UTME Physics 2009 Objective — Question 4
Question 4 of 10 from the Post-UTME Screening (Post-UTME) Physics 2009 Objective paper, with the correct answer and a full explanation.
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Determine the wavelength of the fundamental note of a guitar string of length 65cm long
- A. 65cm
- B. 260cm
- C. 195cm
- D. 130cmCorrect
Explanation
For the fundamental mode of a string fixed at both ends, wavelength = 2 x length = 2 x 65 = 130cm.
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